Identity & Access

SheetCraft MCP — reliable, token-efficient Google Sheets MCP server + CLI for AI agents. 32 tools, teaching errors, capped reads, dual auth (OAuth + service account).

MCP server for AI agents to generate zero-knowledge proofs of identity (Coinbase KYC, Country, Google OIDC, Workspace, MS 365) via ZKProofport. Server-side proving in AWS Nitro Enclave TEE, paid via x402 USDC on Base. ERC-8004 registered.

Deterministic readiness checker for the MCP 2026-07-28 specification break

Remote proxy for Model Context Protocol, allowing local-only clients to connect to remote servers using oAuth

Turn a Supabase app into a polished end-user MCP server.

Lint and grade your AI coding-agent configuration: permissions, hooks, MCP servers, skills, subagents and CLAUDE.md. Catches silent failures, security holes and context waste, with fixes. Zero dependencies, no telemetry.

MCP server for Gmail integration with OAuth authentication, message search, batch operations, and Google Sheets export

PostgreSQL MCP Server with built-in SSH tunneling for secure database access through bastion hosts

MCP server for Google Drive integration with file operations, folder navigation, search capabilities, and sharing management

Self-hosted MCP gateway: one streamable-HTTP endpoint federating many MCP servers with namespaced tools, per-tool toggles, roles, and secure upstream credential injection

MCP server for Google Sheets integration with OAuth authentication, spreadsheet management, batch operations, and advanced formatting

Wrap any MCP server with enforced, bounded, revocable permissions — grant, narrow, check, revoke.

Zero-dependency trustless governance for the SERVICE side. An MCP server or API re-verifies a calling agent's signed request against the agent's own published policy — so an agent that ignores its own guard still cannot make your service act.

Escrow, trust scores, and marketplace for AI agent commerce on 5 chains. 38 tools, 8 free.

Cross-client MCP bridge for local agent context, structured browser and application automation, files, Git, processes, resources, and durable jobs over stdio or OAuth relay.

Persistent memory for AI agents. MCP server that connects to Agent Identity Service.

Self-hosted OAuth 2.1 Authorization Server for MCP servers (Express/TypeScript). Implements the MCP Authorization spec: Client ID Metadata Documents (CIMD), Dynamic Client Registration, PKCE, resource indicators, device flow.

PreMan CLI and stdio proxy for PreMan's hosted MCP server

AWS MCP server — call any AWS API from AI assistants, with first-class SSO re-login

Identity and reputation for multiplayer agents: resolve social handles to wallet addresses, check reputation from public history, and send tokens from any MCP client.